21
20
21
21
20
16
17
21
21
21
21
21
21
21
21
21
21
21
16
21
21
17
21
11
21
18
21
16
21
21
16
16
17
20
15
15
8
21
15
21
18
12
11
13
21
18
8
19
12
18
19
9
13
21
11
8
12
9
21
21
19
19
18
17
21
14
20
21
18
21
18
19
17
18
15
17
21
12
16
11
12
21
21
21
21
15
12
21
21
21
21
21
21
21
21
21
21
21
15
21